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Merge pull request #71560 from xogoodnow/json-utc-formatted-log

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Added UTC date format (RFC 3339) for json formatted logging
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Vladimir Cherkasov 2024-11-18 09:10:52 +00:00 committed by GitHub
commit 3e05ffe675
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9 changed files with 68 additions and 12 deletions
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1
docs/en/operations/server-configuration-parameters/settings.md
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@ -1643,6 +1643,7 @@ You can specify the log format that will be outputted in the console log. Curren
```json
{
"date_time_utc": "2024-11-06T09:06:09Z",
"date_time": "1650918987.180175",
"thread_name": "#1",
"thread_id": "254545",

4
programs/server/config.xml
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@ -70,12 +70,15 @@
You can specify log format(for now, JSON only). In that case, the console log will be printed
in specified format like JSON.
For example, as below:
{"date_time":"1650918987.180175","thread_name":"#1","thread_id":"254545","level":"Trace","query_id":"","logger_name":"BaseDaemon","message":"Received signal 2","source_file":"../base/daemon/BaseDaemon.cpp; virtual void SignalListener::run()","source_line":"192"}
{"date_time_utc":"2024-11-06T09:06:09Z","thread_name":"#1","thread_id":"254545","level":"Trace","query_id":"","logger_name":"BaseDaemon","message":"Received signal 2","source_file":"../base/daemon/BaseDaemon.cpp; virtual void SignalListener::run()","source_line":"192"}
To enable JSON logging support, please uncomment the entire <formatting> tag below.
a) You can modify key names by changing values under tag values inside <names> tag.
For example, to change DATE_TIME to MY_DATE_TIME, you can do like:
<date_time>MY_DATE_TIME</date_time>
<date_time_utc>MY_UTC_DATE_TIME</date_time_utc>
b) You can stop unwanted log properties to appear in logs. To do so, you can simply comment out (recommended)
that property from this file.
For example, if you do not want your log to print query_id, you can comment out only <query_id> tag.
@ -86,6 +89,7 @@
<type>json</type>
<names>
<date_time>date_time</date_time>
<date_time_utc>date_time_utc</date_time_utc>
<thread_name>thread_name</thread_name>
<thread_id>thread_id</thread_id>
<level>level</level>

22
src/Loggers/OwnJSONPatternFormatter.cpp
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@ -7,12 +7,18 @@
#include <base/terminalColors.h>
#include <Common/CurrentThread.h>
#include <Common/HashTable/Hash.h>
#include <Common/DateLUT.h>
#include <Common/DateLUTImpl.h>
OwnJSONPatternFormatter::OwnJSONPatternFormatter(Poco::Util::AbstractConfiguration & config)
{
if (config.has("logger.formatting.names.date_time"))
date_time = config.getString("logger.formatting.names.date_time", "");
if (config.has("logger.formatting.names.date_time_utc"))
date_time_utc= config.getString("logger.formatting.names.date_time_utc", "");
if (config.has("logger.formatting.names.thread_name"))
thread_name = config.getString("logger.formatting.names.thread_name", "");
@ -41,6 +47,7 @@ OwnJSONPatternFormatter::OwnJSONPatternFormatter(Poco::Util::AbstractConfigurati
&& logger_name.empty() && message.empty() && source_file.empty() && source_line.empty())
{
date_time = "date_time";
date_time_utc = "date_time_utc";
thread_name = "thread_name";
thread_id = "thread_id";
level = "level";
@ -62,8 +69,22 @@ void OwnJSONPatternFormatter::formatExtended(const DB::ExtendedLogMessage & msg_
const Poco::Message & msg = msg_ext.base;
DB::writeChar('{', wb);
if (!date_time_utc.empty())
{
writeJSONString(date_time_utc, wb, settings);
DB::writeChar(':', wb);
DB::writeChar('\"', wb);
static const DateLUTImpl & utc_time_zone = DateLUT::instance("UTC");
writeDateTimeTextISO(msg_ext.time_seconds, 0, wb, utc_time_zone);
DB::writeChar('\"', wb);
print_comma = true;
}
if (!date_time.empty())
{
if (print_comma) DB::writeChar(',', wb);
writeJSONString(date_time, wb, settings);
DB::writeChar(':', wb);
@ -81,6 +102,7 @@ void OwnJSONPatternFormatter::formatExtended(const DB::ExtendedLogMessage & msg_
print_comma = true;
}
if (!thread_name.empty())
{
if (print_comma)

1
src/Loggers/OwnJSONPatternFormatter.h
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@ -33,6 +33,7 @@ public:
private:
std::string date_time;
std::string date_time_utc;
std::string thread_name;
std::string thread_id;
std::string level;

2
tests/integration/test_structured_logging_json/configs/config_all_keys_json.xml
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@ -6,12 +6,14 @@
in specified format like JSON.
For example, as below:
{"date_time":"1650918987.180175","thread_name":"#1","thread_id":"254545","level":"Trace","query_id":"","logger_name":"BaseDaemon","message":"Received signal 2","source_file":"../base/daemon/BaseDaemon.cpp; virtual void SignalListener::run()","source_line":"192"}
{"date_time_utc":"2024-11-06T09:06:09Z","thread_name":"#1","thread_id":"254545","level":"Trace","query_id":"","logger_name":"BaseDaemon","message":"Received signal 2","source_file":"../base/daemon/BaseDaemon.cpp; virtual void SignalListener::run()","source_line":"192"}
To enable JSON logging support, just uncomment <formatting> tag below.
-->
<formatting>
<type>json</type>
<names>
<date_time>DATE_TIME</date_time>
<date_time_utc>DATE_TIME_UTC</date_time_utc>
<thread_name>THREAD_NAME</thread_name>
<thread_id>THREAD_ID</thread_id>
<level>LEVEL</level>

2
tests/integration/test_structured_logging_json/configs/config_json.xml
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@ -5,12 +5,14 @@
in specified format like JSON.
For example, as below:
{"date_time":"1650918987.180175","thread_name":"#1","thread_id":"254545","level":"Trace","query_id":"","logger_name":"BaseDaemon","message":"Received signal 2","source_file":"../base/daemon/BaseDaemon.cpp; virtual void SignalListener::run()","source_line":"192"}
{"date_time_utc":"2024-11-06T09:06:09Z","thread_name":"#1","thread_id":"254545","level":"Trace","query_id":"","logger_name":"BaseDaemon","message":"Received signal 2","source_file":"../base/daemon/BaseDaemon.cpp; virtual void SignalListener::run()","source_line":"192"}
To enable JSON logging support, just uncomment <formatting> tag below.
-->
<formatting>
<type>json</type>
<names>
<date_time>DATE_TIME</date_time>
<date_time_utc>DATE_TIME_UTC</date_time_utc>
<thread_name>THREAD_NAME</thread_name>
<thread_id>THREAD_ID</thread_id>
<level>LEVEL</level>

2
tests/integration/test_structured_logging_json/configs/config_no_keys_json.xml
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@ -6,12 +6,14 @@
in specified format like JSON.
For example, as below:
{"date_time":"1650918987.180175","thread_name":"#1","thread_id":"254545","level":"Trace","query_id":"","logger_name":"BaseDaemon","message":"Received signal 2","source_file":"../base/daemon/BaseDaemon.cpp; virtual void SignalListener::run()","source_line":"192"}
{"date_time_utc":"2024-11-06T09:06:09Z","thread_name":"#1","thread_id":"254545","level":"Trace","query_id":"","logger_name":"BaseDaemon","message":"Received signal 2","source_file":"../base/daemon/BaseDaemon.cpp; virtual void SignalListener::run()","source_line":"192"}
To enable JSON logging support, just uncomment <formatting> tag below.
-->
<formatting>
<type>json</type>
<!--<names>
<date_time>DATE_TIME</date_time>
<date_time_utc>DATE_TIME_UTC</date_time_utc>
<thread_name>THREAD_NAME</thread_name>
<thread_id>THREAD_ID</thread_id>
<level>LEVEL</level>

2
tests/integration/test_structured_logging_json/configs/config_some_keys_json.xml
View File

@ -6,12 +6,14 @@
in specified format like JSON.
For example, as below:
{"date_time":"1650918987.180175","thread_name":"#1","thread_id":"254545","level":"Trace","query_id":"","logger_name":"BaseDaemon","message":"Received signal 2","source_file":"../base/daemon/BaseDaemon.cpp; virtual void SignalListener::run()","source_line":"192"}
{"date_time_utc":"2024-11-06T09:06:09Z","thread_name":"#1","thread_id":"254545","level":"Trace","query_id":"","logger_name":"BaseDaemon","message":"Received signal 2","source_file":"../base/daemon/BaseDaemon.cpp; virtual void SignalListener::run()","source_line":"192"}
To enable JSON logging support, just uncomment <formatting> tag below.
-->
<formatting>
<type>json</type>
<names>
<date_time>DATE_TIME</date_time>
<date_time_utc>DATE_TIME_UTC</date_time_utc>
<thread_name>THREAD_NAME</thread_name>
<thread_id>THREAD_ID</thread_id>
<level>LEVEL</level>

40
tests/integration/test_structured_logging_json/test.py
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@ -1,4 +1,5 @@
import json
from datetime import datetime
from xml.etree import ElementTree as ET
import pytest
@ -58,12 +59,25 @@ def validate_log_level(config, logs):
return True
def is_valid_utc_datetime(datetime_str):
try:
datetime.strptime(datetime_str, "%Y-%m-%dT%H:%M:%S.%fZ")
return True
except ValueError:
try:
datetime.strptime(datetime_str, "%Y-%m-%dT%H:%M:%SZ")
return True
except ValueError:
return False
def validate_log_config_relation(config, logs, config_type):
root = ET.fromstring(config)
keys_in_config = set()
if config_type == "config_no_keys":
keys_in_config.add("date_time")
keys_in_config.add("date_time_utc")
keys_in_config.add("thread_name")
keys_in_config.add("thread_id")
keys_in_config.add("level")
@ -80,14 +94,17 @@ def validate_log_config_relation(config, logs, config_type):
length = min(10, len(logs))
for i in range(0, length):
json_log = json.loads(logs[i])
keys_in_log = set()
for log_key in json_log.keys():
keys_in_log.add(log_key)
if log_key not in keys_in_config:
keys_in_log = set(json_log.keys())
if not keys_in_config.issubset(keys_in_log):
return False
for config_key in keys_in_config:
if config_key not in keys_in_log:
# Validate the UTC datetime format in "date_time_utc" if it exists
if "date_time_utc" in json_log and not is_valid_utc_datetime(
json_log["date_time_utc"]
):
return False
except ValueError as e:
return False
return True
@ -101,7 +118,7 @@ def validate_logs(logs):
return result
def valiade_everything(config, node, config_type):
def validate_everything(config, node, config_type):
node.query("SELECT 1")
logs = node.grep_in_log("").split("\n")
return (
@ -122,8 +139,11 @@ def test_structured_logging_json_format(start_cluster):
["cat", "/etc/clickhouse-server/config.d/config_no_keys_json.xml"]
)
assert valiade_everything(config_all_keys, node_all_keys, "config_all_keys") == True
assert (
valiade_everything(config_some_keys, node_some_keys, "config_some_keys") == True
validate_everything(config_all_keys, node_all_keys, "config_all_keys") == True
)
assert valiade_everything(config_no_keys, node_no_keys, "config_no_keys") == True
assert (
validate_everything(config_some_keys, node_some_keys, "config_some_keys")
== True
)
assert validate_everything(config_no_keys, node_no_keys, "config_no_keys") == True